<script>
jQuery(function (f) {
  f(window).scroll(function () {
    f('#logo_animate')[(f(this).scrollTop() > 100 ? "add" : "remove") + "Class"]("logo_visible"); 
   });
  });
 </script>
 
 <!-- HTML -->
 <a id="logo_animate" class="uk-navbar-item uk-logo uk-text-bold" href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home">Logo</a>
 
 <!-- Style -->
 .header .uk-logo {
	display: none;
}
.header .uk-logo.logo_visible {
	display: inline-block;
}
